The Porter-Ferguson Extended Nose Clamps, Nos. CL0690 and CL0690SP, feature a cross-hatch teeth design with greater depth for additional gripping power, and a swiveling pull ring to minimize chain twist. The CL0690SP is fitted with the 3-ton capacity CL0198 Side Pull Adapter. Both clamps have a 1-1/4" wide by 27/32" deep (32mm by 21mm) gripping surface with a minimum throat clearance of 9/32" (7mm), both are 8" (203mm) long and weigh 2-3/8 lbs. The CL0199SH Slide Hammer Pull Adapter option has 3/4–14 threads to accommodate most professional quality slide hammers. Both clamps are spring-loaded and made in U.S.A.