3/8 NAT. PIPE TAP # 110 safety and 204520(L) & 204521(L) have

and 204520(L) & 204521(L) have 8 holes

Twist lock system—plug locks securely into socket

Easy to clean

Extreme strength and light  weight

3/8 NAT. PIPE TAP # 110 safety and 204520(L) & 204521(L) have3 8" 18 NPT Tapered Pipe Thread Tap High Speed Steel Pipe thread tap. Industrial quality, sharp and wear resistant, made of hardened HSS6542 material, straight groove design, wide range of use. Suitable for processing all kinds of through holes, suitable for steel, iron, copper, aluminum, thin stainless steel, etc. Specifications: Item Weight: 2. 29 ounces Product Dimensions: 2. 56 x 0. 71 x 0. 71 inches Size: 3 8" 18 Color: White Material: High Speed